Formative

Spangler, Jerry D. (2000) Radiocarbon Dates, Acquired Wisdom, and the Search for Temporal Order in the Uinta Basin. In Intermountain Archaeology, edited by David B. Madsen and Michael D. Metcalf, pp. 48-99. Anthropological Papers 122. University of Utah Press, Salt Lake City.

Reed, Alan D., and Michael D. Metcalf (1999) The Formative Era. In Colorado Prehistory: A Context for the Northern Colorado River Basin, edited by Alan D. Reed and Michael D. Metcalf, pp. 98-145. Colorado Council of Professional Archaeologists, Denver.

Gilmore, Kevin P. (2005) Franktown Cave (5DA272), Douglas County, Colorado. National Register Nomination Form.

Broadhead, Wade (2003) Variation at High Elevation: Reporting New Ceramic Sites from the Southern Colorado Rockies. Southwestern Lore 69(2):20-42.